Cleaning machine



' Sept. 13, 1932. A. B, li-:UTTERwoRTvI-lv CLEANING MACHINE Filed Jan.,5. 1951 2 sheets-Sheet 2 1 @NW ||J. ||I\\ /IWI NN C Q ,hw Q ON mv 4housing.

Patented Sept. 13, 1.932

UNITED vswirl-:s

PATENT OFFICE ARTHUR B. BUTTERWORTH, 0F BROOKLYN, NEW YORK, ASSIGNOR TOBUTTERWORTH SYSTEM, ING., A CORPORATION 0F DELAWARE cLEANINa MACHINEApplication led January 5, 1931. Serial No. 506,514. i

.This invention relates to an improved device for injecting liquid underpressure against the interior of a tank to be cleaned.

, The invention will be fully understood from the following descriptiontaken in connection with the accompanying drawings 1n which latter- AFig. 1 is a transverse section through a tank showing in side elevationa partition wlth the cleaning device mounted to operate through alighteningv hole in the partition;

Fig. 2 is a 'longitudinal sectional view of the cleaning device; v

Fig. 3 is a transverse sectional view taken along the line III-III ofFig. 2; and

Fig. 4 is a perspective View of the core of the nozzle structure,

Referring to the drawings, the device is illustrated as applied to thecleaning of a ships inner bottom, or tank, of which reference numeral 1designates the base and nu. meral 2 designates the top. The tank isdivided into a plurality of laterally disposed compartments by means ofpartitions or walls 3. The walls are provided with lightening holes 4.Means are provided for mechanically cleaning a plurality of thecompartments simultaneously. The means comprises a washing device whichis so constructed that it can be supported in the small space of thevlightening hole. A bracket 6 of suitable construction su'pports thewashing device.

The washing device comprises a housing formed of sections 8, 9, 10 and11 which are rigidly secured together to form a unit. The discharge endof the housing is provided with a flange 12 aflixed to section 8. Aheaded tube 13 is provided with a shank which eX- tends through anopening in flange 12 into the The tube is supported rotatably within thehousing by a bearing constituted by flange 12 and sections 9, l10 and11. Section 11 is a tubular elbow or coupling member. the inlet end ofwhich faces laterally of the housing. yPacking 14 is interposed betweensection 11, section 10 and the shank 13 in order to prevent leakage ofthe cleaning liquid into the housing. The headed portion of the tubedesignated 16 is provided with laterally facing openings through whichthe nozzle structure extends.

The nozzle structure comprises the' oppositely facing nozzles 17 whichare secured rigidly to and open into a hollow 4core`18. The core18 isadapted to revolve freely in the head of the tube and is secured inposition by means of a gland 19. The core carries nonlrotatably a 'gear2O which meshes with annul10. Worm 24 drives a worm gear 25 which is-non-rotatably affixed to the tube 13. The

force of .the liquid passing through the device causes a longitudinalthrust of the tube 13 with respect to the housing. This thrust isresisted by means of an anti-friction device 27 which is disposedbetween the flange 12 and an annular flange 28 which projects laterallyfrom tube 13.

In its operation the cleaning device is positioned in the lighteninghole of the partition between two compartments to be cleaned and liquidis injected under pressure thr=l ugh a hose 30 into the inlet of thedevice. The air motor is actuated to cause the laterally disposednozzles to be rotated whereby the liquid issuing therefrom is 'caused tosweep all p0rtions of both compartments. The nozzles are preferablyrevolved relatively slowly.

The device described is constructed compactly for use in openin s ofrelativelysmall size such as the lightening holes of a ships innerbottom and can be actuated at relatively great distances from the sourceof OWer. While the device has been described or use in cleaning a shipsinner bottom, it will be understood that it can be used for cleaningcoiferdams, sump tanks, settling tanks, bilges, shorestorage tanks, orotherl vessels which have obstructions therein and in which it isdesirable to fasten the cleaning machine on the beams or the4 like andWithin the tank.

Various changes may be made within the scope of the appended claim inwhich it is desired to claim all novelty inherent in the invention asbroadly as the prior art permits.

ll claim:

A cleaning device, comprising a tubular housing having an annularlytoothed end, an inlet pipe secured to the opposite end of the housing, aheaded tube liavinga shank extending rotatably through the toothed endand along the longitudinal axis of the housing into the inlet pipe, apacking ring sealing the shank with respect to the pipe and housing,nozzles projecting rotatably laterally from the head of the tube, a gearrigidly aHXed to the nozzles and engaging the toothed end, a gearencircling and non-rotatably secured to the shank Within the housing,and driving means for the gear extending into the housin ARTH 1 B.BUTTERWORTH.

